What is the arithmetic mean of the following numbers? 3, 5, 6, 7, 9, 6, 83,5,6,7,9,6,8
2 answers:
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Answer:
4:x = 28:42
x × 28 = 4 × 42
28x = 168
x = 168/28
x = 6
The standard equation of circle when center is (h,k) and radius is 'r'
h = 2 and k = - 5, radius = 16
So equation of the circle is given by